Benzene, 1-ethenyl-4-methyl-
- Formula: C9H10
- Molecular weight: 118.1757
- IUPAC Standard InChIKey: JLBJTVDPSNHSKJ-UHFFFAOYSA-N
- CAS Registry Number: 622-97-9
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Styrene, p-methyl-; p-Methylstyrene; p-Vinyltoluene; 1-Methyl-4-vinylbenzene; 4-Methylstyrene; 4-Vinyltoluene; 1-p-Tolylethene; para-Methylstyrene; 1-Ethenyl-4-methylbenzene
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Gas phase thermochemistry data
Go To: Top, Gas phase ion energetics data, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Glushko Thermocenter, Russian Academy of Sciences, Moscow
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
46.6 | 50. | Thermodynamics Research Center, 1997 | p=1 bar. |
59.2 | 100. | ||
75.1 | 150. | ||
93.7 | 200. | ||
125.6 | 273.15 | ||
137.2 | 298.15 | ||
138.0 | 300. | ||
182.7 | 400. | ||
221.4 | 500. | ||
253.0 | 600. | ||
279.0 | 700. | ||
300.6 | 800. | ||
318.7 | 900. | ||
334.1 | 1000. | ||
347. | 1100. | ||
358. | 1200. | ||
368. | 1300. | ||
376. | 1400. | ||
384. | 1500. |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C9H10+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 861.7 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 832.8 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.1 ± 0.1 | EI | Koppel, Schwarz, et al., 1974 | LLK |
8.20 | PE | Kobayashi, Yokota, et al., 1973 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C9H9+ | 11.8 ± 0.1 | H | EI | Koppel, Schwarz, et al., 1974 | LLK |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Squalane | 106. | 982. | Kugucheva and Mashinsky, 1983 | He; Column length: 100. m |
Capillary | Squalane | 96. | 979. | Kugucheva and Mashinsky, 1983 | He; Column length: 100. m |
Capillary | SE-30 | 70. | 980.5 | Tóth, 1983 | N2; Column length: 15. m; Column diameter: 0.25 mm |
Capillary | SE-30 | 70. | 965.9 | Tóth, 1983 | N2; Column length: 15. m; Column diameter: 0.25 mm |
Capillary | SE-30 | 130. | 1000. | Bredael, 1982 | Column length: 100. m; Column diameter: 0.5 mm |
Capillary | SE-30 | 80. | 985. | Bredael, 1982 | Column length: 100. m; Column diameter: 0.5 mm |
Capillary | Squalane | 86. | 978.6 | Macák, Nabivach, et al., 1982 | N2; Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Squalane | 96. | 980.3 | Macák, Nabivach, et al., 1982 | N2; Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Squalane | 86. | 978.6 | Nabivach, Bur'yan, et al., 1978 | Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Squalane | 96. | 980.3 | Nabivach, Bur'yan, et al., 1978 | Column length: 50. m; Column diameter: 0.25 mm |
Capillary | SE-30 | 65. | 977.5 | Svob, Deur-Siftar, et al., 1974 | He; Column length: 25.5 m; Column diameter: 0.5 mm |
Capillary | SE-30 | 65. | 977.6 | Svob and Deur-Siftar, 1974 | He; Column length: 25.5 m; Column diameter: 0.5 mm |
Capillary | SE-30 | 65. | 977.9 | Svob and Deur-Siftar, 1974 | He; Column length: 25.5 m; Column diameter: 0.5 mm |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Carbowax 20M | 110. | 1385.2 | Boneva and Vassilev, 1996 | 50. m/0.32 mm/0.3 μm, N2 |
Capillary | Carbowax 20M | 120. | 1396.8 | Boneva and Vassilev, 1996 | 50. m/0.32 mm/0.3 μm, N2 |
Capillary | PEG-20M | 70. | 1348.6 | Tóth, 1983 | N2; Column length: 30. m; Column diameter: 0.3 mm |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 982. | Orav, Kailas, et al., 1999 | 50. m/0.20 mm/0.50 μm, Helium, 30. C @ 6. min, 1. K/min; Tend: 100. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polymethylsiloxane, (PMS-20000) | 966. | Cornwell and Cordano, 2003 | Program: not specified |
Capillary | Polymethylsiloxane, (PMS-20000) | 980. | Cornwell and Cordano, 2003 | Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 978. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 985. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1349. | Cornwell and Cordano, 2003 | Program: not specified |
Lee's RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 155.7 | Fuentes, Font, et al., 2007 | Column length: 60. m; Program: not specified |
Capillary | HP-5MS | 158.68 | Cheng, Liu, et al., 2005 | 30. m/0.30 mm/0.25 μm, He; Program: 50 0C (2 min) 8 0C/min -> 120 0C (3 min) 10 0C/min -> 230 0C |
References
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Thermodynamics Research Center, 1997
Thermodynamics Research Center,
Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Koppel, Schwarz, et al., 1974
Koppel, C.; Schwarz, H.; Bohlmann, F.,
Elektronenstossinduzierte fragmentierung von acetylenverbindungen. VIII. Struktur der stabilen und instabilen ionen[C9H9]+ aus isomeren C9H10- kohlenwasserstoffen,
Org. Mass Spectrom., 1974, 8, 25. [all data]
Kobayashi, Yokota, et al., 1973
Kobayashi, T.; Yokota, K.; Nagakura, S.,
Photoelectron spectra of styrenes,
J. Electron Spectrosc. Relat. Phenom., 1973, 3, 449. [all data]
Kugucheva and Mashinsky, 1983
Kugucheva, E.E.; Mashinsky, V.I.,
Retention Indices of Aromatic Hydrocarbons on Capillary Columns with Squalan and Polyphenyl Ether,
Zh. Anal. Khim. (Rus), 1983, 38, 11, 2023-2026. [all data]
Tóth, 1983
Tóth, T.,
Use of capillary gas chromatography in collecting retention and chemical information for the analysis of complex petrochemical mixtures,
J. Chromatogr., 1983, 279, 157-165, https://doi.org/10.1016/S0021-9673(01)93614-3
. [all data]
Bredael, 1982
Bredael, P.,
Retention indices of hydrocarbons on SE-30,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1982, 5, 6, 325-328, https://doi.org/10.1002/jhrc.1240050610
. [all data]
Macák, Nabivach, et al., 1982
Macák, J.; Nabivach, V.; Buryan, P.; Sindler, S.,
Dependence of retention indices of alkylbenzenes on their molecular structure,
J. Chromatogr., 1982, 234, 2, 285-302, https://doi.org/10.1016/S0021-9673(00)81867-1
. [all data]
Nabivach, Bur'yan, et al., 1978
Nabivach, V.M.; Bur'yan, P.; Matsak, I.,
Retention indices of aromatic hydrocarbons on a squalane capillary column,
Zh. Anal. Khim., 1978, 33, 7, 1108-1113. [all data]
Svob, Deur-Siftar, et al., 1974
Svob, V.; Deur-Siftar, D.; Cramers, C.A.,
Mechanisms of the thermal degradation of alkylbenzenes,
J. Chromatogr., 1974, 91, 659-675, https://doi.org/10.1016/S0021-9673(01)97946-4
. [all data]
Svob and Deur-Siftar, 1974
Svob, V.; Deur-Siftar, D.,
Kovats Retention Indices in the Identification of Alkylbenzene Degradation Products,
J. Chromatogr., 1974, 91, 677-689, https://doi.org/10.1016/S0021-9673(01)97947-6
. [all data]
Boneva and Vassilev, 1996
Boneva, S.; Vassilev, K.,
Gas chromatographic separation of epoxystyrenes on carbowax 20 M capillary column,
Chromatographia, 1996, 43, 3/4, 208-210, https://doi.org/10.1007/BF02292953
. [all data]
Orav, Kailas, et al., 1999
Orav, A.; Kailas, T.; Muurisepp, M.; Kann, J.,
Composition of the oil from waste tires. 1. Fraction boiling at yp to 160 0C,
Proc. Estonian Acad. Sci. Chem., 1999, 48, 1, 30-39. [all data]
Cornwell and Cordano, 2003
Cornwell, E.; Cordano, G.,
Nueva proposicion para predecir datos de retencion obtenidos mediante cromatografia de gases de hidrocarburos derivados de las naftas,
Revista de la Sociedad Quimica de Mexico, 2003, 47, 1, 38-43. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Fuentes, Font, et al., 2007
Fuentes, M.J.; Font, R.; Gomez-Rico, M.F.; Martin-Gullon, I.,
Pyrolysis and combustion of waste lubricant oil from diesel cars: Decomposition and pollutants,
J. Anal. Appl. Pyrolysis, 2007, 79, 1-2, 215-226, https://doi.org/10.1016/j.jaap.2006.12.004
. [all data]
Cheng, Liu, et al., 2005
Cheng, D.-X.; Liu, B.-X.; Sun, Y.-A.; Xie, B.; Zhang, H.-L.,
rapid analysis of pyrolysis products of cholesterol by GC-MS assited with boiling point - Lee retention index,
journal of Instrumental Analysis - Fenxi ceshi xuebao, 2005, 24, 6, 85-88. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy Cp,gas Constant pressure heat capacity of gas - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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